The sheer observing power of the NASA/ESA Hubble Space Telescope is rarely better illustrated than in an image such as this. This glowing pink nebula, named NGC 248, is located in the Small Magellanic ...
The Milky Way is most prominent in the summer months in the Northern Hemisphere, with the Cygnus star clouds and Summer Triangle being notable features. Mid-northern latitude observers face challenges ...
The Milky Way is a barred-spiral galaxy about 100,000 light years in diameter, but only about 1,000 light years thick. It contains more than 100 billion stars, and some estimates place that number ...
Inside the bright but unassumingly named nebula Gum 55 lies a dark nebula — a rift of dust grains that absorb visible light — creating a swatch of darkness against the glow of bright gas. Fittingly ...
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...
This week, we present three dazzling astrophysical images from three different observatories, along with two pictures of Mars ...
The newest image from the Spitzer Space Telescope looks like a cosmic pumpkin carved up just in time for Halloween. Researchers have dubbed this region on the edge of our galaxy, the Milky Way, as the ...
August nights are some of the best of the year to see the Milky Way. With no moon in the sky in the coming week, try to get out of town and treat yourself and your family to one of nature's most ...
The newly discovered feature offers insight into the large-scale structure of our galaxy, which is difficult to study from Earth’s position inside it. Scientists have spotted a previously unrecognized ...
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One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...
The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known ...
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